1. Web services resource 1.2 (ws-resource) (April 2006),
http://docs.oasis-open.org/wsrf/wsrf-ws_resource-1.2-spec-os.pdf
2. The apache software foundation: Apache portal runtime (2013),
http://apr.apache.org
3. The grinder, a java load testing framework (2013),
http://grinder.sourceforge.net
4. Andrieux, A., Czajkowski, K., Dan, A., Keahey, K., Ludwig, H., Nakata, T., Pruyne, J., Rofrano, J., Tuecke, S., Xu, M.: Web services agreement specification (ws-agreement) (March 2007),
http://www.ogf.org/documents/GFD.192.pdf
(updated version 2011)
5. Blumel, F., Metsch, T., Papaspyrou, A.: A restful approach to service level agreements for cloud environments. In: 2011 IEEE Ninth International Conference on Dependable, Autonomic and Secure Computing (DASC), pp. 650–657 (December 2011)